Urea
Urea is a carbonyl group with two C-bound amine groups. The commercially available fertilizer has an analysis of 46-0-0 (N-P2O5-K2O). It has a role as a fertilizer, a flour treatment agent, a mouse metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite, a human metabolite and a Daphnia magna metabolite. It is a monocarboxylic acid amide and a one-carbon compound. It is functionally related to a carbonic acid. It is a tautomer of a carbamimidic acid.
IUPAC: urea
PubChem
Physical & Chemical Properties
| Melting Point | 275 °F (NTP, 1992) |
| Boiling Point | Decomposes (NTP, 1992) |
| Density | 1.34 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | Soluble (NTP, 1992) |
| Vapor Pressure | 0.000012 [mmHg] |
| pH | 7.2 (10% solution) |
| Appearance | Urea appears as solid odorless white crystals or pellets. Density 1.335 g /cc. Noncombustible. |
Data: PubChem · Last updated: 4/20/2026
GHS Classification
No GHS classification data available.
Classification data is sourced from ECHA.
Regulatory Compliance
Listed
note: Status based on EPA TSCA Active Inventory · inventory name: TSCA Chemical Substance Inventory
View sourceGlobal Trade Intelligence
No trade flow data available for this chemical.
HS Code(s): 3102, 2924
Data: UN Comtrade
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